Mar. 21, 2014

Detecting the ‘Bang’ from the Big Bang

Researchers have detected a nearly 14-billion-year-old signal that helps to confirm the idea of inflation, which theorizes that the universe quickly expanded right after the Big Bang. Physicists Lawrence Krauss, John Kovac, and Alan Guth—the father of inflation—discuss what this discovery can tell us about the early universe and what it might mean for the future of physics.